/* crypto/pem/pem.h */
/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#ifndef HEADER_PEM_H
#define HEADER_PEM_H

#include <openssl/e_os2.h>
#ifndef OPENSSL_NO_BIO
#include <openssl/bio.h>
#endif
#ifndef OPENSSL_NO_STACK
#include <openssl/stack.h>
#endif
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pem2.h>

#ifdef  __cplusplus
extern "C" {
#endif

#define PEM_BUFSIZE        1024

#define PEM_OBJ_UNDEF        0
#define PEM_OBJ_X509        1
#define PEM_OBJ_X509_REQ    2
#define PEM_OBJ_CRL        3
#define PEM_OBJ_SSL_SESSION    4
#define PEM_OBJ_PRIV_KEY    10
#define PEM_OBJ_PRIV_RSA    11
#define PEM_OBJ_PRIV_DSA    12
#define PEM_OBJ_PRIV_DH        13
#define PEM_OBJ_PUB_RSA        14
#define PEM_OBJ_PUB_DSA        15
#define PEM_OBJ_PUB_DH        16
#define PEM_OBJ_DHPARAMS    17
#define PEM_OBJ_DSAPARAMS    18
#define PEM_OBJ_PRIV_RSA_PUBLIC    19
#define PEM_OBJ_PRIV_ECDSA    20
#define PEM_OBJ_PUB_ECDSA    21
#define PEM_OBJ_ECPARAMETERS    22

#define PEM_ERROR        30
#define PEM_DEK_DES_CBC         40
#define PEM_DEK_IDEA_CBC        45
#define PEM_DEK_DES_EDE         50
#define PEM_DEK_DES_ECB         60
#define PEM_DEK_RSA             70
#define PEM_DEK_RSA_MD2         80
#define PEM_DEK_RSA_MD5         90

#define PEM_MD_MD2        NID_md2
#define PEM_MD_MD5        NID_md5
#define PEM_MD_SHA        NID_sha
#define PEM_MD_MD2_RSA        NID_md2WithRSAEncryption
#define PEM_MD_MD5_RSA        NID_md5WithRSAEncryption
#define PEM_MD_SHA_RSA        NID_sha1WithRSAEncryption

#define PEM_STRING_X509_OLD    "X509 CERTIFICATE"
#define PEM_STRING_X509        "CERTIFICATE"
#define PEM_STRING_X509_PAIR    "CERTIFICATE PAIR"
#define PEM_STRING_X509_TRUSTED    "TRUSTED CERTIFICATE"
#define PEM_STRING_X509_REQ_OLD    "NEW CERTIFICATE REQUEST"
#define PEM_STRING_X509_REQ    "CERTIFICATE REQUEST"
#define PEM_STRING_X509_CRL    "X509 CRL"
#define PEM_STRING_EVP_PKEY    "ANY PRIVATE KEY"
#define PEM_STRING_PUBLIC    "PUBLIC KEY"
#define PEM_STRING_RSA        "RSA PRIVATE KEY"
#define PEM_STRING_RSA_PUBLIC    "RSA PUBLIC KEY"
#define PEM_STRING_DSA        "DSA PRIVATE KEY"
#define PEM_STRING_DSA_PUBLIC    "DSA PUBLIC KEY"
#define PEM_STRING_PKCS7    "PKCS7"
#define PEM_STRING_PKCS7_SIGNED    "PKCS #7 SIGNED DATA"
#define PEM_STRING_PKCS8    "ENCRYPTED PRIVATE KEY"
#define PEM_STRING_PKCS8INF    "PRIVATE KEY"
#define PEM_STRING_DHPARAMS    "DH PARAMETERS"
#define PEM_STRING_SSL_SESSION    "SSL SESSION PARAMETERS"
#define PEM_STRING_DSAPARAMS    "DSA PARAMETERS"
#define PEM_STRING_ECDSA_PUBLIC "ECDSA PUBLIC KEY"
#define PEM_STRING_ECPARAMETERS "EC PARAMETERS"
#define PEM_STRING_ECPRIVATEKEY    "EC PRIVATE KEY"
#define PEM_STRING_PARAMETERS    "PARAMETERS"
#define PEM_STRING_CMS        "CMS"

  /* Note that this structure is initialised by PEM_SealInit and cleaned up
     by PEM_SealFinal (at least for now) */
typedef struct PEM_Encode_Seal_st
    {
    EVP_ENCODE_CTX encode;
    EVP_MD_CTX md;
    EVP_CIPHER_CTX cipher;
    } PEM_ENCODE_SEAL_CTX;

/* enc_type is one off */
#define PEM_TYPE_ENCRYPTED      10
#define PEM_TYPE_MIC_ONLY       20
#define PEM_TYPE_MIC_CLEAR      30
#define PEM_TYPE_CLEAR        40

typedef struct pem_recip_st
    {
    char *name;
    X509_NAME *dn;

    int cipher;
    int key_enc;
    /*    char iv[8]; unused and wrong size */
    } PEM_USER;

typedef struct pem_ctx_st
    {
    int type;        /* what type of object */

    struct    {
        int version;
        int mode;
        } proc_type;

    char *domain;

    struct    {
        int cipher;
    /* unused, and wrong size
       unsigned char iv[8]; */
        } DEK_info;

    PEM_USER *originator;

    int num_recipient;
    PEM_USER **recipient;

    /* XXX(ben): don#t think this is used!
        STACK *x509_chain;    / * certificate chain */
    EVP_MD *md;        /* signature type */

    int md_enc;        /* is the md encrypted or not? */
    int md_len;        /* length of md_data */
    char *md_data;        /* message digest, could be pkey encrypted */

    EVP_CIPHER *dec;    /* date encryption cipher */
    int key_len;        /* key length */
    unsigned char *key;    /* key */
    /* unused, and wrong size
       unsigned char iv[8]; */


    int  data_enc;        /* is the data encrypted */
    int data_len;
    unsigned char *data;
    } PEM_CTX;

/* These macros make the PEM_read/PEM_write functions easier to maintain and
 * write. Now they are all implemented with either:
 * IMPLEMENT_PEM_rw(...) or IMPLEMENT_PEM_rw_cb(...)
 */

#ifdef OPENSSL_NO_FP_API

#define IMPLEMENT_PEM_read_fp(name, type, str, asn1) /**/
#define IMPLEMENT_PEM_write_fp(name, type, str, asn1) /**/
#define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) /**/
#define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) /**/
#define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) /**/

#else

#define IMPLEMENT_PEM_read_fp(name, type, str, asn1) \
type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u)\
{ \
return PEM_ASN1_read((d2i_of_void *)d2i_##asn1, str,fp,(void **)x,cb,u); \
}

#define IMPLEMENT_PEM_write_fp(name, type, str, asn1) \
int PEM_write_##name(FILE *fp, type *x) \
{ \
return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL); \
}

#define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) \
int PEM_write_##name(FILE *fp, const type *x) \
{ \
return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,(void *)x,NULL,NULL,0,NULL,NULL); \
}

#define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) \
int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
         unsigned char *kstr, int klen, pem_password_cb *cb, \
          void *u) \
    { \
    return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u); \
    }

#define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) \
int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
         unsigned char *kstr, int klen, pem_password_cb *cb, \
          void *u) \
    { \
    return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u); \
    }

#endif

#define IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u)\
{ \
return PEM_ASN1_read_bio((d2i_of_void *)d2i_##asn1, str,bp,(void **)x,cb,u); \
}

#define IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
int PEM_write_bio_##name(BIO *bp, type *x) \
{ \
return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL); \
}

#define IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
int PEM_write_bio_##name(BIO *bp, const type *x) \
{ \
return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,(void *)x,NULL,NULL,0,NULL,NULL); \
}

#define IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
         unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
    { \
    return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,x,enc,kstr,klen,cb,u); \
    }

#define IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
         unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
    { \
    return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,(void *)x,enc,kstr,klen,cb,u); \
    }

#define IMPLEMENT_PEM_write(name, type, str, asn1) \
    IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
    IMPLEMENT_PEM_write_fp(name, type, str, asn1)

#define IMPLEMENT_PEM_write_const(name, type, str, asn1) \
    IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
    IMPLEMENT_PEM_write_fp_const(name, type, str, asn1)

#define IMPLEMENT_PEM_write_cb(name, type, str, asn1) \
    IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
    IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1)

#define IMPLEMENT_PEM_write_cb_const(name, type, str, asn1) \
    IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
    IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1)

#define IMPLEMENT_PEM_read(name, type, str, asn1) \
    IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
    IMPLEMENT_PEM_read_fp(name, type, str, asn1)

#define IMPLEMENT_PEM_rw(name, type, str, asn1) \
    IMPLEMENT_PEM_read(name, type, str, asn1) \
    IMPLEMENT_PEM_write(name, type, str, asn1)

#define IMPLEMENT_PEM_rw_const(name, type, str, asn1) \
    IMPLEMENT_PEM_read(name, type, str, asn1) \
    IMPLEMENT_PEM_write_const(name, type, str, asn1)

#define IMPLEMENT_PEM_rw_cb(name, type, str, asn1) \
    IMPLEMENT_PEM_read(name, type, str, asn1) \
    IMPLEMENT_PEM_write_cb(name, type, str, asn1)

/* These are the same except they are for the declarations */

#if defined(OPENSSL_NO_FP_API)

#define DECLARE_PEM_read_fp(name, type) /**/
#define DECLARE_PEM_write_fp(name, type) /**/
#define DECLARE_PEM_write_cb_fp(name, type) /**/

#else

#define DECLARE_PEM_read_fp(name, type) \
    type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u);

#define DECLARE_PEM_write_fp(name, type) \
    int PEM_write_##name(FILE *fp, type *x);

#define DECLARE_PEM_write_fp_const(name, type) \
    int PEM_write_##name(FILE *fp, const type *x);

#define DECLARE_PEM_write_cb_fp(name, type) \
    int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
         unsigned char *kstr, int klen, pem_password_cb *cb, void *u);

#endif

#ifndef OPENSSL_NO_BIO
#define DECLARE_PEM_read_bio(name, type) \
    type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u);

#define DECLARE_PEM_write_bio(name, type) \
    int PEM_write_bio_##name(BIO *bp, type *x);

#define DECLARE_PEM_write_bio_const(name, type) \
    int PEM_write_bio_##name(BIO *bp, const type *x);

#define DECLARE_PEM_write_cb_bio(name, type) \
    int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
         unsigned char *kstr, int klen, pem_password_cb *cb, void *u);

#else

#define DECLARE_PEM_read_bio(name, type) /**/
#define DECLARE_PEM_write_bio(name, type) /**/
#define DECLARE_PEM_write_bio_const(name, type) /**/
#define DECLARE_PEM_write_cb_bio(name, type) /**/

#endif

#define DECLARE_PEM_write(name, type) \
    DECLARE_PEM_write_bio(name, type) \
    DECLARE_PEM_write_fp(name, type)

#define DECLARE_PEM_write_const(name, type) \
    DECLARE_PEM_write_bio_const(name, type) \
    DECLARE_PEM_write_fp_const(name, type)

#define DECLARE_PEM_write_cb(name, type) \
    DECLARE_PEM_write_cb_bio(name, type) \
    DECLARE_PEM_write_cb_fp(name, type)

#define DECLARE_PEM_read(name, type) \
    DECLARE_PEM_read_bio(name, type) \
    DECLARE_PEM_read_fp(name, type)

#define DECLARE_PEM_rw(name, type) \
    DECLARE_PEM_read(name, type) \
    DECLARE_PEM_write(name, type)

#define DECLARE_PEM_rw_const(name, type) \
    DECLARE_PEM_read(name, type) \
    DECLARE_PEM_write_const(name, type)

#define DECLARE_PEM_rw_cb(name, type) \
    DECLARE_PEM_read(name, type) \
    DECLARE_PEM_write_cb(name, type)

#if 1
/* "userdata": new with OpenSSL 0.9.4 */
typedef int pem_password_cb(char *buf, int size, int rwflag, void *userdata);
#else
/* OpenSSL 0.9.3, 0.9.3a */
typedef int pem_password_cb(char *buf, int size, int rwflag);
#endif

int    PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher);
int    PEM_do_header (EVP_CIPHER_INFO *cipher, unsigned char *data,long *len,
    pem_password_cb *callback,void *u);

#ifndef OPENSSL_NO_BIO
int    PEM_read_bio(BIO *bp, char **name, char **header,
        unsigned char **data,long *len);
int    PEM_write_bio(BIO *bp,const char *name,char *hdr,unsigned char *data,
        long len);
int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm, const char *name, BIO *bp,
         pem_password_cb *cb, void *u);
void *    PEM_ASN1_read_bio(d2i_of_void *d2i, const char *name, BIO *bp,
              void **x, pem_password_cb *cb, void *u);
int    PEM_ASN1_write_bio(i2d_of_void *i2d,const char *name,BIO *bp, void *x,
               const EVP_CIPHER *enc,unsigned char *kstr,int klen,
               pem_password_cb *cb, void *u);

STACK_OF(X509_INFO) *    PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb, void *u);
int    PEM_X509_INFO_write_bio(BIO *bp,X509_INFO *xi, EVP_CIPHER *enc,
        unsigned char *kstr, int klen, pem_password_cb *cd, void *u);
#endif

int    PEM_read(FILE *fp, char **name, char **header,
        unsigned char **data,long *len);
int    PEM_write(FILE *fp,char *name,char *hdr,unsigned char *data,long len);
void *  PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x,
              pem_password_cb *cb, void *u);
int    PEM_ASN1_write(i2d_of_void *i2d,const char *name,FILE *fp,
               void *x,const EVP_CIPHER *enc,unsigned char *kstr,
               int klen,pem_password_cb *callback, void *u);
STACK_OF(X509_INFO) *    PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk,
    pem_password_cb *cb, void *u);

int    PEM_SealInit(PEM_ENCODE_SEAL_CTX *ctx, EVP_CIPHER *type,
        EVP_MD *md_type, unsigned char **ek, int *ekl,
        unsigned char *iv, EVP_PKEY **pubk, int npubk);
void    PEM_SealUpdate(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *out, int *outl,
        unsigned char *in, int inl);
int    PEM_SealFinal(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *sig,int *sigl,
        unsigned char *out, int *outl, EVP_PKEY *priv);

void    PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type);
void    PEM_SignUpdate(EVP_MD_CTX *ctx,unsigned char *d,unsigned int cnt);
int    PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
        unsigned int *siglen, EVP_PKEY *pkey);

int    PEM_def_callback(char *buf, int num, int w, void *key);
void    PEM_proc_type(char *buf, int type);
void    PEM_dek_info(char *buf, const char *type, int len, char *str);


#include <openssl/symhacks.h>

DECLARE_PEM_rw(X509, X509)

DECLARE_PEM_rw(X509_AUX, X509)

DECLARE_PEM_rw(X509_CERT_PAIR, X509_CERT_PAIR)

DECLARE_PEM_rw(X509_REQ, X509_REQ)
DECLARE_PEM_write(X509_REQ_NEW, X509_REQ)

DECLARE_PEM_rw(X509_CRL, X509_CRL)

DECLARE_PEM_rw(PKCS7, PKCS7)

DECLARE_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE)

DECLARE_PEM_rw(PKCS8, X509_SIG)

DECLARE_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)

#ifndef OPENSSL_NO_RSA

DECLARE_PEM_rw_cb(RSAPrivateKey, RSA)

DECLARE_PEM_rw_const(RSAPublicKey, RSA)
DECLARE_PEM_rw(RSA_PUBKEY, RSA)

#endif

#ifndef OPENSSL_NO_DSA

DECLARE_PEM_rw_cb(DSAPrivateKey, DSA)

DECLARE_PEM_rw(DSA_PUBKEY, DSA)

DECLARE_PEM_rw_const(DSAparams, DSA)

#endif

#ifndef OPENSSL_NO_EC
DECLARE_PEM_rw_const(ECPKParameters, EC_GROUP)
DECLARE_PEM_rw_cb(ECPrivateKey, EC_KEY)
DECLARE_PEM_rw(EC_PUBKEY, EC_KEY)
#endif

#ifndef OPENSSL_NO_DH

DECLARE_PEM_rw_const(DHparams, DH)

#endif

DECLARE_PEM_rw_cb(PrivateKey, EVP_PKEY)

DECLARE_PEM_rw(PUBKEY, EVP_PKEY)

int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid,
                  char *kstr, int klen,
                  pem_password_cb *cb, void *u);
int PEM_write_bio_PKCS8PrivateKey(BIO *, EVP_PKEY *, const EVP_CIPHER *,
                                  char *, int, pem_password_cb *, void *);
int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
                  char *kstr, int klen,
                  pem_password_cb *cb, void *u);
int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
                  char *kstr, int klen,
                  pem_password_cb *cb, void *u);
EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u);

int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
                  char *kstr, int klen,
                  pem_password_cb *cb, void *u);
int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
                  char *kstr, int klen,
                  pem_password_cb *cb, void *u);
int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid,
                  char *kstr, int klen,
                  pem_password_cb *cb, void *u);

EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u);

int PEM_write_PKCS8PrivateKey(FILE *fp,EVP_PKEY *x,const EVP_CIPHER *enc,
                  char *kstr,int klen, pem_password_cb *cd, void *u);

EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x);
int PEM_write_bio_Parameters(BIO *bp, EVP_PKEY *x);


EVP_PKEY *b2i_PrivateKey(const unsigned char **in, long length);
EVP_PKEY *b2i_PublicKey(const unsigned char **in, long length);
EVP_PKEY *b2i_PrivateKey_bio(BIO *in);
EVP_PKEY *b2i_PublicKey_bio(BIO *in);
int i2b_PrivateKey_bio(BIO *out, EVP_PKEY *pk);
int i2b_PublicKey_bio(BIO *out, EVP_PKEY *pk);
#ifndef OPENSSL_NO_RC4
EVP_PKEY *b2i_PVK_bio(BIO *in, pem_password_cb *cb, void *u);
int i2b_PVK_bio(BIO *out, EVP_PKEY *pk, int enclevel,
        pem_password_cb *cb, void *u);
#endif


/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */
void ERR_load_PEM_strings(void);

/* Error codes for the PEM functions. */

/* Function codes. */
#define PEM_F_B2I_DSS                     127
#define PEM_F_B2I_PVK_BIO                 128
#define PEM_F_B2I_RSA                     129
#define PEM_F_CHECK_BITLEN_DSA                 130
#define PEM_F_CHECK_BITLEN_RSA                 131
#define PEM_F_D2I_PKCS8PRIVATEKEY_BIO             120
#define PEM_F_D2I_PKCS8PRIVATEKEY_FP             121
#define PEM_F_DO_B2I                     132
#define PEM_F_DO_B2I_BIO                 133
#define PEM_F_DO_BLOB_HEADER                 134
#define PEM_F_DO_PK8PKEY                 126
#define PEM_F_DO_PK8PKEY_FP                 125
#define PEM_F_DO_PVK_BODY                 135
#define PEM_F_DO_PVK_HEADER                 136
#define PEM_F_I2B_PVK                     137
#define PEM_F_I2B_PVK_BIO                 138
#define PEM_F_LOAD_IV                     101
#define PEM_F_PEM_ASN1_READ                 102
#define PEM_F_PEM_ASN1_READ_BIO                 103
#define PEM_F_PEM_ASN1_WRITE                 104
#define PEM_F_PEM_ASN1_WRITE_BIO             105
#define PEM_F_PEM_DEF_CALLBACK                 100
#define PEM_F_PEM_DO_HEADER                 106
#define PEM_F_PEM_F_PEM_WRITE_PKCS8PRIVATEKEY         118
#define PEM_F_PEM_GET_EVP_CIPHER_INFO             107
#define PEM_F_PEM_PK8PKEY                 119
#define PEM_F_PEM_READ                     108
#define PEM_F_PEM_READ_BIO                 109
#define PEM_F_PEM_READ_BIO_PARAMETERS             140
#define PEM_F_PEM_READ_BIO_PRIVATEKEY             123
#define PEM_F_PEM_READ_PRIVATEKEY             124
#define PEM_F_PEM_SEALFINAL                 110
#define PEM_F_PEM_SEALINIT                 111
#define PEM_F_PEM_SIGNFINAL                 112
#define PEM_F_PEM_WRITE                     113
#define PEM_F_PEM_WRITE_BIO                 114
#define PEM_F_PEM_WRITE_PRIVATEKEY             139
#define PEM_F_PEM_X509_INFO_READ             115
#define PEM_F_PEM_X509_INFO_READ_BIO             116
#define PEM_F_PEM_X509_INFO_WRITE_BIO             117

/* Reason codes. */
#define PEM_R_BAD_BASE64_DECODE                 100
#define PEM_R_BAD_DECRYPT                 101
#define PEM_R_BAD_END_LINE                 102
#define PEM_R_BAD_IV_CHARS                 103
#define PEM_R_BAD_MAGIC_NUMBER                 116
#define PEM_R_BAD_PASSWORD_READ                 104
#define PEM_R_BAD_VERSION_NUMBER             117
#define PEM_R_BIO_WRITE_FAILURE                 118
#define PEM_R_CIPHER_IS_NULL                 127
#define PEM_R_ERROR_CONVERTING_PRIVATE_KEY         115
#define PEM_R_EXPECTING_PRIVATE_KEY_BLOB         119
#define PEM_R_EXPECTING_PUBLIC_KEY_BLOB             120
#define PEM_R_INCONSISTENT_HEADER             121
#define PEM_R_KEYBLOB_HEADER_PARSE_ERROR         122
#define PEM_R_KEYBLOB_TOO_SHORT                 123
#define PEM_R_NOT_DEK_INFO                 105
#define PEM_R_NOT_ENCRYPTED                 106
#define PEM_R_NOT_PROC_TYPE                 107
#define PEM_R_NO_START_LINE                 108
#define PEM_R_PROBLEMS_GETTING_PASSWORD             109
#define PEM_R_PUBLIC_KEY_NO_RSA                 110
#define PEM_R_PVK_DATA_TOO_SHORT             124
#define PEM_R_PVK_TOO_SHORT                 125
#define PEM_R_READ_KEY                     111
#define PEM_R_SHORT_HEADER                 112
#define PEM_R_UNSUPPORTED_CIPHER             113
#define PEM_R_UNSUPPORTED_ENCRYPTION             114
#define PEM_R_UNSUPPORTED_KEY_COMPONENTS         126

#ifdef  __cplusplus
}
#endif
#endif
